Home / 102,829.20-154,389.60-63,463.20

Finding the Fourth Proportional to 102,829.20, 154,389.60 and 63,463.20

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Solution

The fourth proportional to 102,829.20, 154,389.60 and 63,463.20 is: 95,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,829.20 : 154,389.60 = 63,463.20 : x
  2. Step 2: Convert to fraction form
    102,829.20/154,389.60 = 63,463.20/x
  3. Step 3: Cross multiply
    102,829.20x = 154,389.60 × 63,463.20
  4. Step 4: Simplify right side
    102,829.20x = 9,798,058,062.72
  5. Step 5: Solve for x
    x = 9,798,058,062.72/102,829.20
  6. Step 6: Final answer
    x = 95,284.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.